CN100396984C

CN100396984C - Hose clamp

Info

Publication number: CN100396984C
Application number: CNB2003801044740A
Authority: CN
Inventors: 马丁·卡西内奥
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-11-29
Filing date: 2003-11-20
Publication date: 2008-06-25
Anticipated expiration: 2023-11-20
Also published as: EA007320B1; NZ540903A; ATE443831T1; US20040130147A1; MXPA05005519A; WO2004051132A1; BR0316142A; CN1717561A; HK1085530A1; DE60329417D1; EA200500888A1; TWI293356B; EP1570201B1; TW200415325A; EP1570201A1; AU2003286025A1

Abstract

A clamp (10) for a hose (26) includes a loop (12), for disposing around the hose (26), which has two axially spaced apart looped ends (14,16). The clamp (10) has a force generator (18), for drawing together the two looped ends (14,16), and which is connected to the two looped ends (14,16). The force generator (18) has at least one disc spring (22) mounted thereon. A spacer member (20) is mounted on the force generator (18) between the disc spring (22) and one of the looped ends (14,16) for axially transferring a clamping force from the force generator (18) to the looped ends (14,16). The clamping force is sufficient to axially draw together the looped ends (14,16) so as to clamp the hose (26).

Description

Hose clip

Technical field

The present invention relates to anchor clamps, more specifically, relate to the anchor clamps that use for flexible pipe.

Background technique

Hose clip is known by people, and is widely used in the industrial production, and actual reliably being used in the application that needs big may command confining force.Normally, hose clip comprises one by the clamping ring of making such as stainless steel, steel or plastics elastomeric material, and this clamping ring is installed around the flexible pipe outer wall, and applies with chucking power to it.Yet, also have some occasions, wish flexible pipe under the situation that is subjected to excessive temperature and enormous pressure, hose clip can apply and keep constant twisting force, thus when flexible pipe expand and contraction process in, hose clip remains bigger chucking power.The fluctuation of this type of temperature and pressure is common in such as automobile exhaust system with the pipe place.In addition, in the motor car engine working procedure, occur such as this type of mechanical stress of vibrations and dynamic stress through regular meeting, if the chucking power deficiency of hose clip, then this type of mechanical stress is enough to make hose clip to come off.

The invention of existing a plurality of hose clips now comprises:

U.S. Patent No. 5,010 was authorized Dominguez on April 30th, 626,1991, and name is called " having the hose clip that flange absorbs stress nut and pivot access bridge element ";

U. S. Patent N0.5 authorized people such as Eliasson on February 24th, 720,086,1998, and name is called " clamping neck ring "; And

WO 01/27516A1, announce that the invention people is Dominguez April 19 calendar year 2001.

Yet there are many major defects in these hose clips.It all adopts bolt directly the shoulder of looped ends to be applied chucking power.Carrying out with high torsion in the process of clamping, because chucking power effect meeting makes the shoulder distortion, thereby chucking power can't axially apply in constant mode.Can't keep constant if act on the torsion of looped ends, then when flexible pipe takes place with the expansion of temperature correlation and shrinks, be easy to cause inefficacy.In addition, adopt T type bolt and constant tension springs in the design of some hose clips, this has just limited the size of the chucking power that is applied in the clamping process.Disadvantageously, most of constant tension springs are formed from steel, thereby even it also is easy to be corroded and frostbite under normal operation.The hose clip of other type then adopts turbine to apply torsion to anchor clamps, but turbine may and not be suitable for the operation that needs high clamping torsion.

Thereby be necessary to propose a kind of improved heavily loaded hose clip, so that it can apply and keep bigger chucking power.

Summary of the invention

For addressing the above problem, the present invention proposes a kind of heavy hose clip, and this hose clip disposes novel locating piece, can allow the user axially to apply with constant torsion in clamping process.A kind of by locating piece, catch the novel component that nut and a plurality of saucerspring of axially aligning form and can around flexible pipe, apply higher constant chucking power.The shape of catching nut can allow to be passed to looped ends from the chucking power of bolt, is somebody's turn to do the space at place with closure, thereby the clamping ring of flexible pipe periphery is shunk.Its advantage is that this hose clip can greatly increase work torsion, applies torsion up to 450in-lbs thereby the user can safety.Hose clip among the present invention is simple to operate, and is made by the such cost of for example stainless steel material low, in light weight and that be easy to obtain.This hose clip is customizable, being applicable to the multiple hose dimensions below 35 inches, but and tool using apply chucking power to bolt.In addition, the user can select the saucerspring combination of different azimuth, to provide clamping process required different clamping amount of deflection.

In the first embodiment of the present invention, it provides a kind of anchor clamps that are used for flexible pipe, these anchor clamps comprise the clamping ring of settling with around flexible pipe, and have and separate first and second looped ends of installing vertically, these anchor clamps also comprise: a chucking power maker, be used for first and second looped ends are drawn each other, and connect, at least one saucerspring is installed on this chucking power maker; On this chucking power maker positioning piece is installed, it is between the saucerspring and first looped ends, being used for will be from chucking power transfers to the first and second looped ends of chucking power maker, the chucking power that is generated is enough to first and second looped ends are drawn extremely together vertically each other, thereby flexible pipe is carried out clamping, first looped ends comprises first outer surface and first internal surface, second looped ends comprises second outer surface and second internal surface, the inside court of this first and second outer surface is the crooked several angle of direction each other, first and second internal surfaces are curved, and towards interior to arrangement each other, first looped ends comprises first and second holes that lay respectively on first outer surface and internal surface, second looped ends comprises third and fourth hole that lays respectively on second outer surface and the internal surface, axially align each other, the chucking power maker comprises bolt, it has the first bolt end and the second bolt end, this bolt comprises helical part and non-helical part, non-helical partly extends through and leaves first looped ends, and this bolt passes first, second, third and fourth hole, the chucking power maker comprises that also being installed in first on first looped ends catches nut, with be installed in second on second looped ends and catch nut, first catches nut comprises non-helical axis hole, second catches nut comprises the helical axis hole, first and second catch nut includes curved end and rod member, first and second rod members of catching nut are placed towards first hole of first looped ends and the 3rd hole of second looped ends respectively, first and second curved end of catching nut are respectively against first and second internal surfaces of first and second looped ends, to allow the transfers of chucking power from chucking power maker to the first and second looped ends.

Generally speaking, first looped ends comprises first outer surface and first internal surface, and second looped ends comprises second outer surface and second internal surface, and first and second outer surfaces curve several angle in each other, and first internal surface and second internal surface are curved, and introversive each other staggered relatively.First looped ends comprises first and second holes, and it lays respectively at first outer surface and first internal surface, and second looped ends comprises third and fourth hole, and it lays respectively at second outer surface and second internal surface, and above-mentioned hole is all axially aligned each other.

Generally speaking, the chucking power maker comprises a bolt, and it has the first bolt end and the second bolt end, and this bolt passes the first, second, third and the 4th hole.This bolt comprises a helical part and a non-helical part, and non-helical part stretches out from first looped ends.Saucerspring and locating piece are slidingly mounted on the non-helical part, and this saucerspring is positioned near the first bolt end.

Generally speaking, the chucking power maker comprises that also being installed in first of the first bolt end catches nut and be installed in second of the second bolt end and catch nut.First catches nut comprises a non-helical axis hole.Second catches nut comprises a helical axis hole.First and second catch nut includes a curved end and a rod member.

Generally speaking, locating piece comprises the cylindrical collar that disposes axis hole, and this axis hole can allow bolt to pass through, and this neck ring has a force side and a force transfer end.

Generally speaking, first rod member of catching nut is installed towards first hole of first looped ends, and near force transfer end.

Generally speaking, second looped ends comprises a hole, and it axially aligns first and second holes on first looped ends.

In another embodiment of the present invention, the chucking power maker is a T type bolt, it passes first and second holes on first looped ends, and pass the hole of second looped ends, this T type bolt has one to be positioned at the threaded bolt part that the second looped ends T type bolt end and movably is equipped with nut.This nut comprises a smooth outer surface, and saucerspring and is installed on it can be by the bolt hole of T type bolt.

Generally speaking, the second bolt end comprises a retainer.This retainer is a retainer nut, David Stauffer nut (Stove nut) or nylon embedding nut.

Generally speaking, David Stauffer nut (Stove nut) or nylon embedding nut and second rod member of catching nut are integral.

Generally speaking, first hole on first looped ends is greater than second hole of first looped ends.

Generally speaking, when from analysing and observe direction when observing, clamping ring comprises a planar section and two end faces that outwards curve several angle from hose surface.

Generally speaking, above-mentioned anchor clamps comprise a plurality of paired saucersprings.

Generally speaking, an articulated slab is hinged to first looped ends.

Generally speaking, this flexible pipe is heavily loaded flexible pipe.

In another optional embodiment of the present invention, a kind of anchor clamps are provided, it has the clamping ring that is used to receive gripping object, this clamping ring is along the gripping object axial arrangement, and have first and second moveable looped ends, each looped ends all has internal surface and outer surface separately, its internal surface links to each other continuously with the internal surface of clamping ring, outer surface links to each other continuously with the outer surface of clamping ring, when being in non-clamp position, forms a space in the internal surface place, do the time spent being subjected to chucking power, this clamping ring has enough elasticity that two moveable looped ends are moved towards direction each other, thereby forms clamp position, gripping object is clamped in the inner peripheral surface of clamping ring; Looped ends each has its first opening of axially aligning, pass through for the chucking power maker, this chucking power maker cooperates with an outer surface, produce interior to active force, thereby make moveable looped ends close to each other, these anchor clamps comprise: axially align in the locating piece of first opening for one, this locating piece cooperates with an outer surface, axially is sent to moveable looped ends with the internal-direction-force that the chucking power maker is produced; And at least one saucerspring, it is axially aligned in locating piece and chucking power maker, and this saucerspring matches with the chucking power maker, to be sent to moveable looped ends with interior to active force, when chucking power, saucerspring has enough elastic force to shrink each other in being subjected to.

Brief Description Of Drawings

Referring to accompanying drawing and explanation, can better understanding be arranged to others of the present invention and advantage, wherein:

Fig. 1 is an embodiment's of hose clip of the present invention stereogram;

Fig. 1 a is the sectional view after Fig. 1 cuts open along the 1a-1a line;

Fig. 2 is the side view of hose clip shown in Figure 1;

Fig. 3 a is a phantom of being furnished with a plurality of saucersprings of bolt shown in Figure 1;

Fig. 3 b is the stereogram of locating piece;

Fig. 4 a is the stereogram of looped ends;

Fig. 4 b is for wherein being furnished with the side view of the looped ends of catching nut;

Fig. 5 a is the side view of catching nut;

Fig. 5 b is the profile after Fig. 5 a cuts open along the 5b line;

Fig. 5 c is whole side view of catching nut/David Stauffer nut;

Fig. 5 d is whole side view of catching nut/nylon embedding nut;

Fig. 6 a catches the side view of nut for another;

Fig. 6 b is the end view drawing after Fig. 6 a cuts open along the 6b line;

Fig. 7 is the sectional drawing of a plurality of saucersprings;

Fig. 8 is the plan view of articulated slab;

Fig. 9 is second embodiment's of this hose clip a side view;

Fig. 9 a is the stereogram that is installed in the T type bolt of looped ends;

Fig. 9 b is the side view of Fig. 9 a;

Fig. 9 c is the phantom of nut among Fig. 9;

Figure 10 is the 3rd embodiment's of this hose clip a side view; And

Figure 11 is the 4th embodiment's of this hose clip a side view.

Embodiment

Figure 1 shows that an embodiment of hose clip 10 among the present invention.In the broadest sense, hose clip 10 comprises 12, two moveable looped ends 14 of a clamping ring and 16, one chucking power makers, 18, one dividers or locating piece 20, a plurality of saucersprings 22, and an articulated slab 24.

Referring now to Fig. 1 and 2,, in a typical case uses, inserts in the clamping ring 12 such as high pressure, heavily loaded flexible pipe 26 such held objects.Clamping ring 12 can axially be installed along the main axis 28 of flexible pipe 26, and around flexible pipe 26.Clamping ring 12 is generally made by stainless steel, has enough elasticity, can bear the bigger work torsion that is applied to it.This clamping ring 12 comprises two moveable

looped ends

14 and 16, with reference to Fig. 1 and 2 one of them is elaborated here.Looped ends 14 has an internal surface 29 and an outer surface 30.Internal surface 29 links to each other continuously with the inner peripheral surface 32 of clamping ring 12.Outer surface 30 links to each other continuously with the outer circumferential face 34 of clamping ring 12, and inwardly crooked at a certain angle.Generally speaking, this clamping ring 12 is got by single piece of material processing, and its end back bending utilizes the known means of fixation 35 of related domain professional workforce to be fixed on the outer peripheral surface 34 on himself then.This type of means of fixation comprises punching press, welding or nail joint or other similar approach.When anchor clamps were in inoperative, non-clamping form, internal surface 29 was axially separated each other relatively, forms a space betwixt.The constituent material of clamping ring 12 has enough elasticity, thereby when applying chucking power, moveable looped

ends

14 and 16 can be towards motion each other.When being in the clamping form,, flexible pipe 26 is clamped between the inner peripheral surface 32 of clamping ring 12 by acting on the chucking power maker 18 of moveable looped

ends

14 and 16.

As illustrating best among Fig. 1 a, when from analysing and observe direction when observing, the clamping ring 12 that is in the clamping form comprises that two are positioned at flexible pipe 26 surfaces, are the parts 15 on plane substantially from the end 13 of flexible pipe 12 surperficial excurvations and one.Two crooked ends 13 prevent that clamping ring 12 from nipping in the flexible pipe 26 in clamping process, to reduce the damage to flexible pipe 26 surfaces.

Referring now to Fig. 4 a and 4b,, each in the

looped ends

14 and 16 all disposes two openings or hole 36 and 38.

Hole

36 and 38 is alignment vertically each other, and with the hole aligning of another moveable looped

ends.Hole

36 and 38 has axis 40, and in clamping process, this axis aligns perpendicular to the main shaft 28 of flexible pipe 36 substantially.Hole 36 is external with respect to the space, and hole 38 is then built-in with respect to the space.The size of hole 36 is substantially greater than hole 38, and ovalize, can move up and down chucking power maker 18 to allow the user, thereby the chucking power maker is alignd with hole 38.In addition, each in the

looped ends

14 and 16 all comprises one second opening 42, and it has one second axis 44, and this axis 44 is substantially perpendicular to axis 40, and is in substantially parallel relationship to the main shaft of flexible pipe 26.Moveable looped

ends

14 and 16 all has an internal surface 46, and it forms second opening 42.Internal surface 46 comprises that a curved section 48 and is the part 50 on plane substantially.Curved section 48 is built-in with respect to another looped ends and space.

Referring to Fig. 2 and 3a, chucking power maker 18 passes

hole

36 and 38, and applies in one to active force to it with one of them outer surface 30 acting in conjunction, thus the direction motion towards each other of pulling moveable looped ends 14 and 16.In the present embodiment, chucking power maker 18 is a bolt 52, and its size can be passed each hole 36 and 38.This bolt 52 generally comprises along the helical of helical part 53 distributions and the smooth part 55 of a no helical, and saucerspring 22 is slidingly mounted on this smooth part 55, pushes and expansion thereby they can be slided.Bolt 52 also comprises one first bolt end 74 and one second bolt end 54.

Referring to Fig. 2,5a, 5b, 6a and 6b, chucking power maker 18 also comprise two be positioned at second opening 42 catch nut 56 and 58.Catching

nut

56 and 58 for these two all generates interior to active force thereon with the internal surface acting in conjunction of looped ends 14,16.Catch nut 56 and comprise a non-helical axis hole 57, catch nut 58 and comprise a helical axis hole 59,

axis hole

57 and 59 size all can match with bolt 52.When being in the clamping form, bolt 52 passes each

axis hole

57 and 59, and the end 54 of threaded bolt stretches out from catching nut 58.

Catch nut

56 and 58 and include curved end parts 60 and a rod member 62.These curved end parts 60 match with curved section 48 on the

looped ends

14,16, and settle towards the space.Rod member 62 is towards the planar section 50 of

looped ends

14,16 and place.Be positioned at rod member on the looped ends 14, that catch nut 56 62 and locating piece 20 actings in conjunction, apply thereon interior to active force to bear.Absorb

bolt

56 and 58 and include an elongate sides 61 and a short side 63.One projecting member 65 is overhanging from the short side 63 of catching nut 56, and articulated slab 24 moves up and down when working to reduce clamping ring.

Shown in Fig. 5 c and 5d, tightening clamping ring with when carrying out damping than big bang, can add one to bolt end 54 places and be retainer nut, David Stauffer nut (Stover nut) or the retainer 62a of nylon embedding nut form, it is pressed against on the rod member 62 of catching nut 58.Alternatively, catch nut and retainer 62a and can be an one-piece element 62a, wherein David Stauffer nut and nylon embedding nut and rod member 62 are one.

Referring to Fig. 2,3a and 3b, the locating piece 20 among the present invention aligns with

hole

36 and 38 on the

looped ends

14,16 vertically.Locating piece 20 to transmit the internal-direction-force from bolt 52 places, moves moveable

looped ends

14,16 towards the outer surface of looped ends 14 together.Locating piece 20 is a cylindrical collar 64, and the size of its axis hole 66 should be enough to slide on the non-helical position of bolt 52.Cylindrical body 64 comprises a force side 67 and a force transfer end 68.Force side 67 is against first end face 70 of one of them saucerspring 22.Force transfer end 68 is against the rod member 62 of catching nut 56.Two ends 66 and 68 all have the contacted plane of first surface with rod member 62 and saucerspring 22.

Referring to Fig. 3 a and Fig. 7, saucerspring 22 is axially aligned with locating piece 20 and bolt 52, and internal-direction-force is passed to moveable looped end 14,16.In the present embodiment, a plurality of saucersprings 22 partly distribute along the non-helical of bolt 52 in couples.Every pair of central space 73 that saucerspring 22 includes first end face 70, second end face 72 and limited by the internal surface 75 that is spill substantially.

Second end face

72 and 74 actings in conjunction of bolt top is to receive the chucking power that this place is subjected to.One of skill in the art will recognize that employed saucerspring 22 can be used for many different structures (as shown in Figure 7), and when in the

end face

70,72 one or two was subjected to active force, it had enough elasticity to shrink.One of skill in the art also will recognize, a saucerspring 22 and bolt 52 together can be used, so that any one in first end face 70 and second end face 72, and internal surface 75 is subjected to the chucking power from bolt top 74.When the high temperature flexible pipe 26 transmission such as water, steam or oil, highly pressurised liquid, flexible pipe 26 just can outwards expand after being subjected to clamping, the outside expansive force that is produced acts on the inner peripheral surface 32 of clamping ring 12, has an effect to chucking power with interior, thereby keeps the fixed chucking power of weighing apparatus.Saucerspring 20 has enough elasticity to be out of shape when expanding, and to reduce central space 73, receives the increase of the internal-direction-force that chucking power maker 18 produced, the expansion that is taken place with compensation flexible pipe 26.Similarly, the flexible pipe cooling can shrink the time, and the central void 73 of saucerspring 22 will increase, and saucerspring 22 is returned to its plate-like profile, and chucking power maker 18 will keep applying to saucerspring 22 and flexible pipe 26 the constant chucking power of its maximum.Existing hose clip maximum functional torsion is about 160in-lbs, yet for the hose clip among the present invention 12, its work torsion can reach 450in-lbs.

Referring to Fig. 1,2 and 8, articulated slab 24 is hinged to one of them of looped ends 14.Articulated slab 24 links to each other continuously with clamping ring inner peripheral surface 32, and comprises in two to bump 76.Articulated slab 24 can comprise that also a single pole replaces two bumps 76, and it also can be locked in clamping process across articulated slab 24.Articulated slab 24 can play the function served as bridge of crossing over the space, and it comprises that one is positioned at the guided portion 78 on the outer surface 80, is used for when clamping along a route guidance moveable looped ends 14 and 16.Guided portion 78 comprises two relative limit walls 82 that align with opening 36 and 38.The user can be by articulated slab 24 align looped

ends

14 and 16, and clamping ring 10 can be moved along flexible pipe 26.If the user needs fully hose clip 10 to be disassembled from flexible pipe 26, then optionally swing articulated slab 24 and break away from looped

ends

14 and 16 and to align (as shown in Figure 2).

Operation

Referring to Fig. 1 and 2, generally speaking, hose clip 10 provides in off working state, bolt 52 and looped

ends

16 and 18 and catch

nut

56 and 58 and be separated.The user can select the saucerspring 22 of suitable quantity according to required torsion, and it is added into the bar portion of bolt 52, and location piece 20 is slided to the bar portion of bolt 52.Bolt 52 is positioned near the non-helical axis hole 57 of catching nut 56, and when flexible pipe 26 driving fits were held on inner peripheral surface 32 places, the operator aligned bolt end 54 and hole 38 and the bolt hole 59 of catching on the nut 58.The user can apply rotating force to bolt end 74 afterwards, and it is close that moveable looped

ends

14 and 16 is slided over each other along articulated slab 26, thereby hose clip 10 is tightened to required torsion around flexible pipe 26.Replacedly, dispose saucerspring 22, locating piece 20 and the hose clip 10 of catching

nut

56,58 that aligns is slidingly installed to the flexible pipe 26 that is connected with fluid source (not marking).Can hose clip 10 be tightened by the described mode of preamble afterwards.

Other alternative scheme

First embodiment of hose clip 10 can be used for multiple clamping work.Also have some practical applications in addition, but for example need together use in conjunction with the articulated slab of T type bolt, saucerspring, locating piece and limitation of movement because the degree of approach of hoses in areas is limited.As shown in Figure 9, second embodiment 100 is identical with first embodiment's 10 working principle essence, and it comprises a clamping ring 102, one chucking power makers 104, and positioning piece 106, is caught nut 107, saucerspring 108 and two moveable looped ends 110 and 112.Difference between the

embodiment

10 and 100 will be described in detail hereinafter.

Looped ends 112 comprises that a hole 114, one openings 116, are the outer surface 118 and an interior bent face 120 on plane substantially.One shaping internal surface 122 constitutes second opening 116, and its planar section 124 is positioned near the T type bolt end 126.When carrying out clamping, the interior bent face 128 on T type bolt end 126 pushings second opening 116 transmits chucking power, as described at hose clip 10 when chucking power maker 104 inwardly acts on looped ends 110.Chucking power maker 104 comprises that an elongated threaded bolt part 130 and is installed on the nut 132 on the helical of bolt.

As illustrated best among Fig. 9 c, nut 132 has a smooth outer surface 134, and saucerspring 108 (only illustrating two) is installed on it, can slide thereon, and press locating piece 106, also have a bolt hole (not shown) that bolt 130 therefrom passes when carrying out clamping.Be that with the difference of hose clip 10 swivel bolt 130 can make saucerspring 108 move to locating piece 106 places along the smooth surface 134 of nut 132, nut 132 glides along the screw rod of bolt 130 simultaneously.Nut 132 selectively comprises a nut top 133, and itself and smooth surface sleeve 135 split, and identical with the working method of integral type nut 132.

The 3rd embodiment's hose clip 200 as shown in figure 10, its working method is identical with first embodiment's hose clip 10.In the practical application of hose clip, need to use the hose clip that disposes two cover moveable looped ends sometimes, this hose clip all has a space between this two covers moveable looped ends.Hose clip 200 comprises the first clamping ring parts 202 and the second clamping ring parts 204, and they form a clamping ring 206 jointly.Two cover moveable looped ends 208 and 210 are driven by two the chucking power makers 212 that dispose two locating pieces 214.

The 4th embodiment's hose clip 300 as shown in figure 11, its structure is similar to second embodiment 200.Hose clip 300 comprises the first clamping ring parts 302 and the second clamping ring parts 304, and it constitutes clamping ring 306 jointly.Two T type bolts and two cover moveable looped ends 310 and 312 together disposes, and by two chucking power makers, 314 drivings of disposing two locating pieces 316.

Although what described is a specific embodiment, one of skill in the art will recognize, in spiritual scope of the present invention defined by the claims only, various deformation can be arranged.

Claims

1. anchor clamps (10) that are used for flexible pipe (26), these anchor clamps (10) comprise and are used for the clamping ring (12) installed around flexible pipe (26), and this clamping ring (12) has first, second looped ends (14,16) that axial separation is placed, and anchor clamps (10) also comprise:

Chucking power maker (18) is used for first, second looped ends (14,16) is drawn to together and is connected to first, second looped ends (14,16), and this chucking power maker (18) comprises at least one saucerspring that is mounted thereon (22); And

Be installed in the locating piece (20) on the chucking power maker (18), it is positioned between saucerspring (22) and first looped ends (14), be used for to be sent to first and second looped ends (14,16) vertically from the power of chucking power maker (18), this chucking power enough is drawn to first and second looped ends (14,16) together vertically each other, thereby clamping flexible pipe (26)

First looped ends (14) comprises first outer surface (30) and first internal surface (29), second looped ends (16) comprises second outer surface (30) and second internal surface (29), the inside court of this first and second outer surface (30) is the crooked several angle of direction each other, first and second internal surfaces (29) are curved, and towards interior to arrangement each other

First looped ends (14) comprises first and second holes (36,38) that lay respectively on first outer surface and internal surface (30,29), second looped ends (16) comprises third and fourth hole (36,38) that lays respectively on second outer surface and the internal surface (30,29), these holes (36,38) are axially aligned each other

Chucking power maker (18) comprises bolt (52), it has the first bolt end (74) and the second bolt end (54), this bolt (52) comprises helical part (53) and non-helical part (55), non-helical part (55) extends through and leaves first looped ends (14), and this bolt (52) passes first, second, third and fourth hole (36,38), chucking power maker (18) comprises that also being installed in first on first looped ends (14) catches nut (56), with be installed in second on second looped ends (16) and catch nut (58)

First catches nut (56) comprises non-helical axis hole (57), second catches nut (58) comprises helical axis hole (59), first and second catch nut (56,58) include curved end (60) and rod member (62), first and second catch nut (56,58) rod member (62) is placed towards first hole (36) of first looped ends (14) and the 3rd hole (36) of second looped ends (16) respectively, first and second catch nut (56,58) curved end (60) is respectively against first and second looped ends (14,16) first and second internal surfaces (29), with allow chucking power from chucking power maker (18) to first and second looped ends (14,16) transfers.

2. anchor clamps as claimed in claim 1 (10), wherein saucerspring (22) and locating piece (20) are slidingly mounted on the non-helical part (55).

3. anchor clamps as claimed in claim 2 (10), wherein locating piece (20) comprises the cylinder type neck ring (64) that has axis hole (66), the size of this axis hole (66) can be held described bolt (52) therein, and this cylinder type neck ring (64) has force side (67) and force transfer end (68).

4. anchor clamps as claimed in claim 3 (10) wherein first are caught rod member (62) on the nut (56) against described force transfer end (68).

5. anchor clamps as claimed in claim 1 (10), wherein the second bolt end (54) comprises retainer (62a).

6. anchor clamps as claimed in claim 5 (10), wherein retainer (62a) is the retainer nut.

7. anchor clamps as claimed in claim 5 (10), wherein retainer (62a) is David Stauffer nut or nylon embedding nut.

8. anchor clamps as claimed in claim 6 (10), wherein David Stauffer nut or nylon embedding nut and second rod member (62) of catching nut (58) is integral.

9. anchor clamps as claimed in claim 1 (10), wherein first hole (36) on first looped ends (14) is greater than second hole (38) on first looped ends (14).

10. anchor clamps as claimed in claim 1 (10), when wherein observing in sectional drawing, clamping ring (12) comprises planar section (15) and two ends (13), these two ends (13) outwards curve several angle from flexible pipe (26) surface.

11. anchor clamps as claimed in claim 1 (10), it comprises the described saucerspring (22) of a plurality of paired configurations.

12. anchor clamps as claimed in claim 1 (10), wherein articulated slab (24) is hinged to first looped ends (14).